Energy balance and global warming potential of biogas-based fuels from a life cycle perspective

被引：53

作者：

Moghaddam, Elham Ahmadi ^{[1
]}

Ahlgren, Serina ^{[1
]}

Hulteberg, Christian ^{[2
]}

Nordberg, Ake ^{[1
]}

机构：

[1] Swedish Univ Agr Sci SLU, Dept Energy & Technol, S-75007 Uppsala, Sweden

[2] Lund Univ, Dept Chem Engn, S-22100 Lund, Sweden

来源：

FUEL PROCESSING TECHNOLOGY | 2015年 / 132卷

关键词：

Biogas; GTL fuels; LCA; Energy performance; Global warming potential; ENVIRONMENTAL SYSTEMS-ANALYSIS; TROPSCH; EMISSIONS; BIOFUELS; SCALE; GAS; LCA; DME;

D O I：

10.1016/j.fuproc.2014.12.014

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Biogas is a multifunctional energy carrier currently used for co-generation or compressed biomethane as vehicle fuel. Gas-to-liquid (GTL) technology enables conversion of biogas into other energy carriers with higher energy density, facilitating fuel distribution. The energy efficiency and global warming potential (GWP) for conversion of biogas to compressed biogas (CBG), liquefied biogas (LBG), Fischer-Tropsch diesel (FTD), methanol and dimethyl ether (DME) were studied in a life cycle perspective covering the technical system from raw biogas to use in city buses. CBG, methanol and DME showed the best specific fuel productivity. However, when fuel distribution distances were longer, DME, LBG and methanol showed the best energy balance. Methanol, FTD and DME emitted half the GWP of LBG and CBG. Choice of electricity mix had a large impact on GWP performance. Overall, taking into account the different impact categories, combustion properties and fuel yield from raw biogas, DME showed the best performance of the fuel conversion scenarios assessed. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：74 / 82

页数：9

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